<template>
    <div class="nav-bar">
        <div class="left">
            <slot name="left"></slot> 
        </div>
        <div class="center">
            <slot name="center"></slot> 
        </div>
        <div class="right">
            <slot name="right"></slot> 
        </div>
    </div>
</template>

<script>
    export default {
       name:'NavBar' 
    }
</script>

<style scoped>
    .nav-bar{
        display:flex;
        height: 44px;
        line-height: 44px;           /* 导航默认高度44 */
        text-align: center;
        box-shadow: 0px 1px 1px rgba(100, 100, 100, .1);
    }
    .left .right{
        width: 60px;
    }
    .left{
        margin-left: 20px;
    }
    .right{
        margin-right: 20px;
    }
    .center{
        flex: 1;
    }
</style>